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  <title>Allows control over disabled exit opcode</title>
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  <div id="layout-content"><div id="function.uopz-allow-exit" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">uopz_allow_exit</h1>
  <p class="verinfo">(PECL uopz 5)</p><p class="refpurpose"><span class="refname">uopz_allow_exit</span> &mdash; <span class="dc-title">Allows control over disabled exit opcode</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.uopz-allow-exit-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>uopz_allow_exit</strong></span>
    ( <span class="methodparam"><span class="type">bool</span> <code class="parameter">$allow</code></span>
   ) : <span class="type"><span class="type void">void</span></span></div>

  <p class="para rdfs-comment">
   By default uopz disables the exit opcode, so <span class="function"><a href="exit.html" class="function">exit()</a></span> calls
   are practically ignored. <span class="function"><strong>uopz_allow_exit()</strong></span>
   allows to control this behavior.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.uopz-allow-exit-parameters">
  <h3 class="title">参数</h3>
  <dl>

   
    <dt>
<code class="parameter">allow</code></dt>

    <dd>

     <p class="para">
      Whether to allow the execution of exit opcodes or not.
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.uopz-allow-exit-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   没有返回值。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.uopz-allow-exit-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="example-562">
   <p><strong>Example #1 <span class="function"><strong>uopz_allow_exit()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">exit(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">uopz_allow_exit</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">);<br />exit(</span><span style="color: #0000BB">2</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
   </div>

   <div class="example-contents"><p>以上例程会输出：</p></div>
   <div class="example-contents screen">
<div class="cdata"><pre>
1
</pre></div>
   </div>
  </div>
 </div>


 <div class="refsect1 notes" id="refsect1-function.uopz-allow-exit-notes">
  <h3 class="title">注释</h3>
  <div class="caution"><strong class="caution">Caution</strong>
   <p class="para">
    <a href="book.opcache.html" class="link">OPcache</a> optimizes away dead code after unconditional exit.
   </p>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.uopz-allow-exit-seealso">
  <h3 class="title">参见</h3>
  <ul class="simplelist">
   <li class="member"><span class="function"><a href="uopz_get_exit_status.html" class="function" rel="rdfs-seeAlso">uopz_get_exit_status()</a> - Retrieve the last set exit status</span></li>
  </ul>
 </div>


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